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据中国科技信息研究所1998年10月公布的统计数据表明,已连续10年入选为该所中国科技论文统计源刊的《上海环境科学》,1997年的影响因子为0.91,在当年的1214种此类期刊中名列第346位,而在28种环境类专业的统计源刊中名列第11位。 影响因子又称期刊论文的平均被引率,是指期刊论文的被引量与期刊论文的可被引量之间的比值。一种期刊某年(例如1997年)的影响因子值是将当年(1997年)全部统计源刊上引用该刊前两年(1995年和1996年)内发表的论文总次数除以该刊在同一时期(1995年和1996年)内所发表的论文总数后确定。
According to the statistics released by China Institute of Science and Technology Information in October 1998, Shanghai Environmental Science has been selected as the source of the statistics of China’s scientific and technological papers for the 10 consecutive years. The impact factor in 1997 was 0.91. In the same year, 1214 The journal ranked 346th, ranking 11th out of 28 sources for environmental statistics. Impact factor, also known as the average rate cited papers periodicals, refers to the periodical essay quotations and periodical papers can be quoted ratio between. The value of an influential factor for a journal in a particular year (for example, 1997) is the total number of papers published in the two years prior to the publication of that journal (1995 and 1996) in that year (1997) The total number of papers published in the same period (1995 and 1996) was determined.